试题与答案

Increasing the speed of a rotary pump abov

题型:单项选择题

题目:

Increasing the speed of a rotary pump above its rated speed will result in which of the following conditions to occur?()

A.Loss of suction

B.Increased clearances

C.Decreased clearance

D.Decreased slippage

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A

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